Bump borgmatic[apprise] from 1.8.10 to 1.8.11

Bumps [borgmatic[apprise]](https://github.com/borgmatic-collective/borgmatic) from 1.8.10 to 1.8.11.
- [Release notes](https://github.com/borgmatic-collective/borgmatic/releases)
- [Changelog](https://github.com/borgmatic-collective/borgmatic/blob/main/NEWS)
- [Commits](https://github.com/borgmatic-collective/borgmatic/compare/1.8.10...1.8.11)

---
updated-dependencies:
- dependency-name: borgmatic[apprise]
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -1,5 +1,5 @@
 --extra-index-url https://dl.cloudsmith.io/public/borgmatic-collective/borgmatic/python/simple/
 
 borgbackup==1.2.8
-borgmatic[apprise]==1.8.10
+borgmatic[apprise]==1.8.11
 llfuse==1.5.0